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The unique fibre structure of Tyvek security envelopes, developed by DuPont, is tear and water resistant for extra security during transit

• The envelopes also feature an extra strong hot melt peel and seal closure and are lightweight to help keep postage costs down.
• These C5 envelopes measure 229 x 162mm and are 100% recyclable.
• This pack contains 100 envelopes.

Pack size: 1 | Part number: TY00001

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TY00001 | F | 325